The Microchip AT42QT1060 sensor IC is designed to simplify and speed the development of mobile and other applications. It provides all of the functions needed to create a fully functional touch interface for mobile phones and handheld devices. It operates on 1.8V to 5.5V voltage range.
Can be configured as a combination of keys and input/output lines I2C-compatible slave mode (100 kHz). Discrete detection outputs Individually settable via simple commands over serial interface Patented spread-spectrum charge-transfer (direct mode) Seven, configurable for input or output, with PWM control for LED driving 28-pin 4 x 4 mm QFN package